package Test;

import java.util.Scanner;

public class Main10 {
    public static void main(String[] args) {
        Scanner input=new Scanner(System.in);
        String str=input.nextLine();
        String[] arr=str.split(";");

    }
    public static Boolean function(String[] arr){
        if(arr.length==0){
            return false;
        }
        for (int i=arr.length/2;i<arr.length;i++){
            for (int j=0;j<arr.length/2;j++){
                if(arr[j]==arr[i]){

                }
            }
        }
        return true;
    }
}
